render_window.cpp

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/*
 * Copyright (c) 2010, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */

#include "rve_render_server/render_window.h"

#include <OGRE/OgreRenderWindow.h>
#include <OGRE/OgreRenderSystem.h>
#include <OGRE/OgreRoot.h>

#include <ros/assert.h>

#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
#include <GL/glx.h>
#endif

namespace rve_render_server
{

RenderWindow::RenderWindow(const rve_common::UUID& id, Renderer* rend, const std::string& parent_window_handle, uint32_t width, uint32_t height)
: RenderTarget(id, rend, width, height)
, render_window_(0)
{
  Ogre::Root* root = Ogre::Root::getSingletonPtr();
  Ogre::NameValuePairList params;
  params["parentWindowHandle"] = parent_window_handle;
  //params["FSAA"] = "8";

  std::stringstream id_str;
  id_str << id;
  Ogre::RenderWindow* win = root->createRenderWindow(id_str.str(), width, height, false, &params);

  win->setActive(true);
  win->setVisible(true);
  win->setAutoUpdated(false);
  render_window_ = win;

  setTarget(render_window_);
}

RenderWindow::~RenderWindow()
{
  Ogre::Root* root = Ogre::Root::getSingletonPtr();

#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
  Display* disp = 0;
  render_window_->getCustomAttribute("XDISPLAY", &disp);
#endif

  root->getRenderSystem()->destroyRenderWindow(render_window_->getName());

#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
  // Not syncing here can cause BadWindow errors
  XSync(disp, False);
#endif
}

void RenderWindow::resize(uint32_t width, uint32_t height)
{
  RenderTarget::resize(width, height);

  // Resize tries to actually resize the window on OSX, which can cause unfortunate results
#if !defined(__APPLE__)
  render_window_->resize(width, height);
#endif

  render_window_->windowMovedOrResized();
}

} // namespace rve_render_server